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Infinity Reference 850W

8" Single 4 ohms Reference Series Subwoofer (REF850W)

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8" Single 4 Ohm Reference Series Subwoofer • 200W RMS • 800W Peak • polypropylene cone • butyl rubber surround • reduced-depth steel basket • unique inboard motor structure

Learn more about the 850w

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

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Infinity Reference 860W

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Product Highlights


8" Single 4 Ohm Reference Series Subwoofer • 200W RMS • 800W Peak • polypropylene cone • butyl rubber surround • reduced-depth steel basket • unique inboard motor structure

Description


Infinity brand icon

Authorized dealer

  • 8" Single 4 Ohm Reference Series Subwoofer
  • Power Handling:
    • Peak: 800 watts
    • RMS: 200 watts
  • Impedance: Single 4 ohm
  • Polypropylene Cone
  • Large-Roll Butyl Rubber Surround
  • Unique Inboard Motor Structure
  • Bumped Backplate
  • Vented Polepiece
  • Progressive Spider
  • Proprietary Reduced-Depth Steel Basket
  • Frequency response: 30-400 Hz
  • Sensitivity: 91 dB
  • 1-year SonicElectronix.com warranty

Product history:

Infinity 860W thumbnail
(newest, current model)
Infinity 850W thumbnail
(previous model, replaced by Infinity Reference 860W)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Infinity Reference 850W Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Infinity Reference 850W Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Infinity Reference 850W Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Infinity Reference 850W Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Subwoofer Size
8"
Peak Power Handling
800 watts
RMS Power Handling
200 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Frequency Response
30 - 400 Hz
Sensitivity
91 dB
Subwoofer Design
Round / Circle
Woofer Composition
Polypropylene
Woofer Surround
Butyl Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.35 cubic feet
Maximum Sealed Box Volume
0.35 cubic feet
Minimum Ported Box Volume
0.6 cubic feet
Maximum Ported Box Volume
0.6 cubic feet
Top-Mount Depth (Mounting Depth)
4-5/16"
Shallow Mount Installation
No

Item Details


Manufacturer:

Model Number:

850W

Weight:

10.50lbs

Internal SKU:

850w

Internal Product ID:

7272

Product and How-to Videos


  • Harman International: The Pursuit of Great Sound
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews


Infinity Reference 850W thumbnail image

5 star
60%
4 star
40%
3 star
0%
2 star
0%
1 star
0%



Durability
4.8
Value
4.4
Features
4.2
Design
5
Usability
4.4

Customer Reviews

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Have no space? Check these out

I own one Infinity Reference 850W Subwoofer, have it in a ported (10"x14"x14") enclosure box hooked up to a Crunch p900.4 (900W).
I own a Astro Mini-Van and place the enclosure between the rear bucket seats and it beats hard. But I recommend having two of these babies and they'll here you coming. you don't need 15" subwwofers to have that BOOM, this subwoofer will do fine.

By HUMP on March 22, 2009

14 found this helpful


Bass in Small Package

The Infinity 850w 8" Subwoofer is great for a 14"x10"x10" bandpass enclosure. I recommend this product if you lack space and want that deep bass.


Lenhump in Chicago,IL

By Leonard on September 22, 2008

12 found this helpful


Awesome

I just bought a pair of these for my 2004 silverado extended cab truck. I made two custom (ported) enclosures that fit under the back seat with the drivers facing towards the sides of the truck. I have about .6 cubic feet and they hit very tight and hard. I was quite surprised. They lack a little on the bass below about 60hz but i may try to increase the size of the enclosure slightly. I just used a high/low adapter to wire the amp to the stock bose system and it really cranks. A great option for people who dont want to go crazy in their trucks but want a nice bass addition. If your musical taste is rock, metal, or club type music these will shock you. If you are looking for the very low boom bass in extreme volumes you prob better use at least a 10 inch depending on the application. Anyways, I am very satisfied with these speakers and i am somewhat an audiophile so for anyone interested give them a try you wont be sorry.

By Sean on August 27, 2008

8 found this helpful


Nice little sub

Sounds great. I installed in a very small box (0.27cf). Much heavier than I expected.

By Ken on July 10, 2008

9 found this helpful


Awsome sub

Myfriend Has three of these in his crx and they really hit hard for the money there great

By sean on December 14, 2006

8 found this helpful




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